Abstract
Forage plants are considered one of the main factors for livestock development, for they present perennial growth, resistance to drought, adaptation to hot climate regions, and wide soil diversity. The water deficit causes changes in their anatomy, physiology, and biochemistry, which can affect all stages of development and productivity. For these reasons, it is necessary to evaluate the lifetime of forage plants under water stress conditions. The design used was a factorial scheme, consisting of two types of grasses, and five levels of water replacement, with ten replications. During the experimental period, grasses were evaluated daily, with more than 70% of leaf area in senescence being considered a dead plant the one with more than 70% of leaf area in senescence. Urochloa mosambicensis lifetime was of 61 days for grasses that were not irrigated, 131 and 195 days for those that received 25% and 50% of field capacity, and greater than 240 days for those that were irrigated with 75 and 100% of field capacity. Digitaria pentzii lifetime was of 54 days for grasses that were not irrigated, 117 and 152 days for those that received 25 and 50% of field capacity, and greater than 240 days for those that were subjected to water regime 75 and 100% of field capacity. Irrigation with 25 and 50% of field capacity doubles and triplicates, respectively, the lifetime of grasses when compared to plants that did not receive irrigation. Irrigations with 75% or more of field capacity do not promote grass mortality.
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Claims 11
Claim · model-written summary
Non-irrigated Urochloa mosambicensis had a lifetime of 61 days.
- Taxon
- Urochloa mosambicensis
Urochloa mosambicensise0 - Treatment
- not irrigatede0
- Outcome
- lifetimee0
- Value
- 61 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urochloa mosambicensis lifetime was of 61 days for grasses that were not irrigated”
Claim · model-written summary
Urochloa mosambicensis receiving 25% of field capacity had a lifetime of 131 days.
- Taxon
- Urochloa mosambicensisUrochloa mosambicensise0
- Treatment
- 25%e1
- Outcome
- lifetimee0
- Value
- 131e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urochloa mosambicensis lifetime”
e1“131 and 195 days for those that received 25% and 50% of field capacity”
Claim · model-written summary
Urochloa mosambicensis receiving 50% of field capacity had a lifetime of 195 days.
- Taxon
- Urochloa mosambicensisUrochloa mosambicensise0
- Treatment
- 50%e1
- Outcome
- lifetimee0
- Value
- 195e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urochloa mosambicensis lifetime”
e1“131 and 195 days for those that received 25% and 50% of field capacity”
Claim · model-written summary
Urochloa mosambicensis irrigated with 75 and 100% of field capacity had a lifetime greater than 240 days.
- Taxon
- Urochloa mosambicensisUrochloa mosambicensise0
- Treatment
- 75 and 100% of field capacitye1
- Outcome
- lifetimee0
- Value
- greater than 240 dayse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Urochloa mosambicensis lifetime”
e1“greater than 240 days for those that were irrigated with 75 and 100% of field capacity”
Claim · model-written summary
Non-irrigated Digitaria pentzii had a lifetime of 54 days.
- Taxon
- Digitaria pentzii
Digitaria eriantha subsp. pentziie0 - Treatment
- not irrigatede0
- Outcome
- lifetimee0
- Value
- 54 dayse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Digitaria pentzii lifetime was of 54 days for grasses that were not irrigated”
Claim · model-written summary
Digitaria pentzii receiving 25% of field capacity had a lifetime of 117 days.
- Taxon
- Digitaria pentziiDigitaria eriantha subsp. pentziie0
- Treatment
- 25e1
- Outcome
- lifetimee0
- Value
- 117e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Digitaria pentzii lifetime”
e1“117 and 152 days for those that received 25 and 50% of field capacity”
Claim · model-written summary
Digitaria pentzii receiving 50% of field capacity had a lifetime of 152 days.
- Taxon
- Digitaria pentziiDigitaria eriantha subsp. pentziie0
- Treatment
- 50% of field capacitye1
- Outcome
- lifetimee0
- Value
- 152e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Digitaria pentzii lifetime”
e1“117 and 152 days for those that received 25 and 50% of field capacity”
Claim · model-written summary
Digitaria pentzii subjected to 75 and 100% of field capacity had a lifetime greater than 240 days.
- Taxon
- Digitaria pentziiDigitaria eriantha subsp. pentziie0
- Treatment
- 75 and 100% of field capacitye1
- Outcome
- lifetimee0
- Value
- greater than 240 dayse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Digitaria pentzii lifetime”
e1“greater than 240 days for those that were subjected to water regime 75 and 100% of field capacity”
Claim · model-written summary
Irrigation with 25% of field capacity doubled the lifetime of the grasses compared with non-irrigated plants.
Verbatim
e0“Irrigation with 25 and 50% of field capacity doubles and triplicates, respectively, the lifetime of grasses when compared to plants that did not receive irrigation”
Claim · model-written summary
Irrigation with 50% of field capacity tripled the lifetime of the grasses compared with non-irrigated plants.
Verbatim
e0“Irrigation with 25 and 50% of field capacity doubles and triplicates, respectively, the lifetime of grasses when compared to plants that did not receive irrigation”
Claim · model-written summary
Irrigation with 75% or more of field capacity did not promote grass mortality.
- Taxon
- grasse0
- Treatment
- Irrigations with 75% or more of field capacitye0
- Outcome
- grass mortalitye0
- Direction
- do not promotee0
Not reportedComparator
Verbatim
e0“Irrigations with 75% or more of field capacity do not promote grass mortality”